Two component hair treatment kit comprising a hair coloring cream and a developer composition comprising a specific tensioactive compound
US11298304B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2018 |
| Grant date | Apr 12, 2022 |
| Priority date | — |
| Expiry date | Mar 27, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/882
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a kit, preferably for coloring keratin fibers, the kit comprising in spatially separated form at least two kit components: A) a first kit component comprising at least these constituents: at least one alkaline agent; at least one amino acid; at least one organic phosphate ester compound selected from the group consisting of a monoester of a phosphate of one or more alkoxylated fatty alcohols, a diester of a phosphate of one or more non-alkoxylated fatty alcohols, and a mixture of both; water; and optionally at least an oxidative dye; water; and B) a second kit component comprising at least these constituents: at least one emulsifier; hydrogen peroxide; at least one fatty alcohol; and water. The invention relates also to a process of manufacturing a composition which is the second kit component, a composition obtainable by such process, a ready-to-use composition, a way of preparing such and to a use of an emulsifier as in formula (I) and defined above in combination with the organic phosphate ester compound defined above to reduce the viscosity of haircoloring creams.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.